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[ 26.859779][ T1] Oops: general protection fault, probably for non-canonical address 0xf9999599999999e2: 0000 [#1] SMP KASAN [ 26.860605][ T1] KASAN: maybe wild-memory-access in range [0xcccccccccccccf10-0xcccccccccccccf17] [ 26.861265][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.0-rc1-00003-g4b30efe586f8 #1 [ 26.861938][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 26.862671][ T1] RIP: 0010:kunit_merge_suite_sets (kbuild/src/consumer/lib/kunit/executor.c:315) [ 26.863128][ T1] Code: 8d 3c c4 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 03 12 61 fe 4d 8b 3f b8 44 02 00 00 49 01 c7 4c 89 f8 48 c1 e8 03 <0f> b6 04 18 84 c0 75 12 49 63 c5 41 c6 07 01 44 8d 68 01 49 39 c6 All code ======== 0: 8d 3c c4 lea (%rsp,%rax,8),%edi 3: 4c 89 f8 mov %r15,%rax 6: 48 c1 e8 03 shr $0x3,%rax a: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) e: 74 08 je 0x18 10: 4c 89 ff mov %r15,%rdi 13: e8 03 12 61 fe call 0xfffffffffe61121b 18: 4d 8b 3f mov (%r15),%r15 1b: b8 44 02 00 00 mov $0x244,%eax 20: 49 01 c7 add %rax,%r15 23: 4c 89 f8 mov %r15,%rax 26: 48 c1 e8 03 shr $0x3,%rax 2a:* 0f b6 04 18 movzbl (%rax,%rbx,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 75 12 jne 0x44 32: 49 63 c5 movslq %r13d,%rax 35: 41 c6 07 01 movb $0x1,(%r15) 39: 44 8d 68 01 lea 0x1(%rax),%r13d 3d: 49 39 c6 cmp %rax,%r14 Code starting with the faulting instruction =========================================== 0: 0f b6 04 18 movzbl (%rax,%rbx,1),%eax 4: 84 c0 test %al,%al 6: 75 12 jne 0x1a 8: 49 63 c5 movslq %r13d,%rax b: 41 c6 07 01 movb $0x1,(%r15) f: 44 8d 68 01 lea 0x1(%rax),%r13d 13: 49 39 c6 cmp %rax,%r14 [ 26.864463][ T1] RSP: 0000:ffffc9000001fe40 EFLAGS: 00010a06 [ 26.864908][ T1] RAX: 19999999999999e2 RBX: dffffc0000000000 RCX: 0000000000000000 [ 26.865480][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 26.866060][ T1] RBP: ffffc9000001fea0 R08: cccccccccccccccc R09: cccccccccccccccc [ 26.866640][ T1] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881451e7000 [ 26.867222][ T1] R13: 0000000000000001 R14: 0000000000000001 R15: cccccccccccccf10 [ 26.867800][ T1] FS: 0000000000000000(0000) GS:ffff8883ad800000(0000) knlGS:0000000000000000 [ 26.868425][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.868896][ T1] CR2: ffff88843ffff000 CR3: 000000017491d000 CR4: 00000000000406f0 [ 26.869465][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.870038][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.870617][ T1] Call Trace: [ 26.870865][ T1] [ 26.871081][ T1] ? __die_body (kbuild/src/consumer/arch/x86/kernel/dumpstack.c:421) [ 26.871400][ T1] ? die_addr (kbuild/src/consumer/arch/x86/kernel/dumpstack.c:?) [ 26.871706][ T1] ? exc_general_protection (kbuild/src/consumer/arch/x86/kernel/traps.c:751) [ 26.872119][ T1] ? asm_exc_general_protection (kbuild/src/consumer/arch/x86/include/asm/idtentry.h:617) The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20241010/202410101542.ad347b41-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki